Durable Square Mortising Chisel Drill Bit Set for Woodworking and Drill Press Machines – 4-Piece Kit for Precise Square Hole Cutting








Specification
- Material: 45# steel
- Shank: Round shank
- Diameter options: 6.4 mm / 8 mm / 9.5 mm / 12.7 mm
Usage
Suitable for building work, electrical & plumbing installation, home decoration, and modern DIY tasks.
Packing Included
1 pc × selected size (6.4/8/9.5/12.7 mm)
Notes
- We have produced drill bits, hole saws, and chisels for 26+ years.
- Colors in images may vary due to different monitors and lighting.


















